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WHELEN Alpha Siren Series

In stock
Product Details
Brand: Whelen

The Alpha Siren Series delivers 100 or 200 watts of siren warning power, hands-free operation, multiple warning tones, and horn ring override capability. Alpha Sirens allow easy set-up and configuration to meet local requirements without special ordering.

  • Compact design is ideal for undercover and volunteer applications
  • Control siren tone through horn ring or separate switches
  • Hands-free operation
  • Harmonically rich composite Airhorn tones
  • Output open/short circuit protection
  • Easy to install
  • Pre-wired with quick disconnect plugs for easy service and fast replacement


  • Five siren tones
  • Operates one 100 watt siren speaker
  • Dip switch access allows instant configuration of popular operating features
  • Compact design is easy to install under the dash, in a console, or in a rack


  • 18 Scan-Lock™ siren tones
  • Operates one or two 100 watt siren speakers
  • Five optional switch panels available. Will also operate from customer supplied switching controls


Input Voltage 10-16 VDC 10-16 VDC
Polarity Negative Ground Negative Ground
Polarity Protection Diode/Fuse Diode/Fuse
Output Power 100 Watts 200 Watts
Output Load One 11 OHM speaker Two 11 OHM speakers
Input Current (siren on) 8 amps (max) 15 amps (max)
Standby Current 10 ma (max) 10 ma (max)
Fuse 10 amp auto fuse 20 amp
Fuse Mounting Spade type, in-line connector Spade type, PC board
Output Short Protection Fuse Fuse
Horn/Ring Control +12VDC or ground +12VDC or ground
Weight 2.2 lbs/1 kg 2.4 lbs/1.2 kg
Operating Temperature -30°C to +60°C -30°C to + 60°C
Operating Humidity 0-95% non-condensing 0-99% non-condensing
Connector One 6 pin amp Mate-N-Lok®, 24” wiring pigtail One 16 position input connector


Wail Wail
Yelp Yelp
Piercer Piercer
Hi/Low Hi/Low
Airhorn Y249
B-Wail Warble
B-Yelp Whoop
B-Hi/Low Mechanical
Pulsed Airhorn
Airhorn Hi
Airhorn Low
Alternate Wail
Alternate Yelp
Pulsed Piercer
Pulse Yelp/Airhorn
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